package main

import "fmt"

func getVal(num1 int, num2 int) (int, int) {

	sum := num1 + num2
	sub := num2 - num1

	return sum, sub
}

func main() {
	sum, sub := getVal(10, 20)
	fmt.Println("sum = ", sum, "\n\tsub = ", sub)

	fmt.Println("===========================")
	sum1, _ := getVal(10, 20)
	fmt.Println("sum1 = ", sum1)

	var i int
	i = 10
	fmt.Println("i = ", i)

}
